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Automatic faucets

  • US 20140174556A1
  • Filed: 09/16/2013
  • Published: 06/26/2014
  • Est. Priority Date: 03/15/2011
  • Status: Active Grant
First Claim
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1. An automatic faucet comprising:

  • a housing constructed to receive at least one water inlet conduit and having a spout for delivering water;

    a valve module including a valve controlled by an electromagnetic actuator for controlling the water flow from said spout;

    a sensor module constructed to provide sensor data influenced by a user;

    a control module constructed to control opening and closing of said valve by providing signals to said electromagnetic actuator, andsaid control module constructed to receive sensor data from said sensor module and execute a sensing algorithm that keeps track of noise signal level and dynamically adapts a signal threshold, said sensing algorithm tracking signal trend to determine presence of a user.

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